* 可滑动区域：y * 滑动内容G ：x * 比例： x/y = p * 溢出的content内容区域：n *得到 H = 滑动的对应的溢出内容的高度 * * H = p * n

* 进一步封装板块功能 * @param {HTMLElement} blockContainer

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* 绘制棋格 * * @param {Object} ctx 画布内容对象 * @memberof BoardGrid

* 将数据存入哈希表 * @param type {string} * @param value {number} * @param depth {number}